Sum of equations x+6y+z=9 and 11x -14y+3z=11

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.